Home / 3,850.20-5,763.96-3,587.76

Finding the Fourth Proportional to 3,850.20, 5,763.96 and 3,587.76

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Solution

The fourth proportional to 3,850.20, 5,763.96 and 3,587.76 is: 5,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.20 : 5,763.96 = 3,587.76 : x
  2. Step 2: Convert to fraction form
    3,850.20/5,763.96 = 3,587.76/x
  3. Step 3: Cross multiply
    3,850.20x = 5,763.96 × 3,587.76
  4. Step 4: Simplify right side
    3,850.20x = 20,679,705.13
  5. Step 5: Solve for x
    x = 20,679,705.13/3,850.20
  6. Step 6: Final answer
    x = 5,371.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.